JP4218780B2 - Cable gripping mechanism - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a gripping mechanism that fixes an intermediate portion of an optical fiber cable or a metal cable.
[0002]
[Prior art]
Conventionally, when fixing a cable in a closure or the like, a method of fixing the metal fitting after fastening the outer periphery of the cable with the metal fitting and integrating the cable and the metal fitting is common.
[0003]
[Problems to be solved by the invention]
For this reason, when trying to fix cables with different diameters using the same metal fittings, if the positional relationship between the metal fittings and the fixing means remains the same, the axial center of the cable will shift, which is inconvenient when performing wiring and wiring work. There was a problem that occurred.
[0004]
[Means for Solving the Problems]
To solve the above problems, a first aspect of the invention,
A first holding plate in which a demon plate is affixed to the inner surface, and holes are formed on both sides of the demon plate;
A second holding plate having a demon plate affixed to the inner surface and having holes formed on both sides of the demon plate;
A bracket in which a first gripping plate is arranged and screw holes are provided at two locations overlapping with holes on both sides of the first gripping plate;
Two screw holes in the bracket in a state where the cable is sandwiched between the first and second holding plates and the demon plate of the first and second holding plates is held in contact with the outer peripheral surface of the cable. A pair of bolts screwed into the
A pair of abutting portions formed on the left and right sides of the cable and on the bottom surface of the bracket so as to be in a direction perpendicular to the axis of the cable;
A pair of elongated holes formed in parallel to each other in the pair of contact portions;
A pair of bolts inserted through the pair of long holes,
A cable gripping mechanism fixed to a partition wall in which two screw holes and a cable insertion hole are formed between the two screw holes,
A pair of bolts respectively inserted into the pair of long holes are screwed into the two screw holes of the partition wall, so that the pair of contact portions and the bracket are slid with respect to the partition wall while being restrained in the longitudinal direction of the long hole. Was made to
When the first and second gripping plates for gripping the cable are fixed to the bracket, the pair of contact portions and the bracket move with respect to the partition wall while maintaining the axis of the cable. .
[0007]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is an exploded perspective view showing a component structure of the present invention. In the figure, reference numerals 1 and 2 denote gripping plates, and a demon plate 3 is stuck inside. The grip plate 2 corresponds to a grip portion in claims. The holding plates 1 and 2 are fixed by screwing bolts 7 and 8 into the screw holes 5 and 6 in the upper part of the bracket 4 with the cable C sandwiched therebetween. On both the left and right sides of the bottom surface of the bracket 4, contact portions 19 and 20 with the partition wall 15 are formed in a direction orthogonal to the axis of the cable C, and long holes 11 and 12 parallel to each other are formed. ing. In addition, the partition 5 comprises some housing | casings and support members, such as various communication apparatuses and power distribution apparatus in which the cable C is used.
[0008]
Bolts 13 and 14 are inserted from above the long holes 11 and 12, and the bolts 13 and 14 are screwed into the screw holes 16 and 17 of the partition wall 15.
The bolts 13 and 14 keep the bracket 4 slidable without being tightened as the upper ends of the long holes 11 and 12 are pressed. A hole 18 for inserting the cable C is formed in an intermediate portion between the screw holes 16 and 17 of the partition wall 15.
[0009]
With this configuration, the cable C inserted into the hole 18 of the partition wall 15 is held by the gripping plates 1 and 2 with the outer peripheral surface being clamped in both directions, and the gripping plates 1 and 2 are bolts 7 and 8. And the bracket 4 is supported by the partition wall 15 through the bolts 13 and 14 and the long holes 11 and 12, so that the holding plates 1 and 2 and the bracket 4 are in the longitudinal direction of the long holes 11 and 12, that is, It becomes slidable in the pinching direction of the cable. Here, considering the case where the diameter of the cable C is increased, the grip plate 1 is moved forward and the axis of the cable C is also moved forward as the diameter is increased with the bracket 4 as a reference. .
[0010]
However, since the bracket 4 is movable in the long holes 11 and 12, it can be freely returned as much as the axial center of the cable C is moved. The axial center of the cable C is always the hole 18 of the partition wall 15. It is possible to match with the center of.
In the embodiment described above, the holding plate 2 and the bracket 4 are formed separately, but they can also be formed integrally.
[0011]
FIG. 2 is an explanatory diagram showing a use state of the embodiment. The figure (a) shows the case where a small diameter cable is gripped, and the figure (b) shows the case where a large diameter cable is gripped. In the figure, when the bolts 13 and 14 fixed to the partition wall 15 are taken as a reference, the gripping plate 1 moves downward in accordance with the thickness of the cable C when gripping a cable having a small diameter in FIG. At the same time, the bracket 4 moves upward and the bolts 13 and 14 are positioned near the lower ends of the long holes 11 and 12, so that the axis of the cable C is positioned on the line connecting the bolts 13 and 14.
[0012]
Similarly, when gripping a cable having a large diameter as shown in FIG. 2B, the gripping plate 1 moves upward and the bracket 4 moves downward according to the thickness of the cable C, so that the long holes 11 and 12 Since the bolts 13 and 14 are positioned closer to the upper end, the axis of the cable C is positioned on the line connecting the bolts 13 and 14.
Thus, even if the diameter of the cable C to be fixed changes, the position of the axial center of the cable C can be made constant, and the axial center is always fixed regardless of the diameter of the cable C for convenience of wiring and connection. It is effective when it is necessary to keep the position.
[0013]
Next, another embodiment of the present invention will be described. 3 and 4 are perspective views showing other embodiments. In both figures, 21 and 22 are gripping plates, and both ends thereof are accommodated in guide grooves 33 and 34 formed inside the brackets 31 and 32 so as to be movable up and down. Abutting surfaces 23 and 24 having the same curvature as that of the cable C with the maximum diameter that can be gripped are formed in the portion that contacts the cable C inside the gripping plates 21 and 22. A plurality of grooves 25 are formed in the contact surfaces 23 and 24 so that the gripping effect of the cable C is increased. Insertion holes 26 are formed at both ends of the gripping plate 21, and screw holes 27 are formed at both ends of the gripping plate 22, and bolts 41 and 42 are attached thereto. , 22 are supported with adjustable intervals between the contact surfaces 23, 24. The bolts 41 and 42, the hole 26, and the screw hole 27 constitute the connecting means in claim 3.
[0014]
With this configuration, when the cable C is gripped, the brackets 31 and 32 are fixed to a base (not shown) so that the grip plates 21 and 22 are orthogonal to the direction of the cable C when the cable C is gripped. To do. Next, after the gripping plate 22 is inserted into the guide grooves 33 and 34 of the brackets 31 and 32, the cable C is brought into contact with the contact surface 24 of the gripping plate 22, and the gripping plate 21 is placed on the opposite side of the cable C. , The bolts 41 and 42 are inserted into the holes 26, screwed into the screw holes 27, and the gripping plates 21 and 22 are tightened to fix the gripping plates 21 and 22 to the cable C. Here, the holding plates 21 and 22 are regulated by the guide grooves 33 and 34 of the brackets 31 and 32 in the longitudinal direction and the axial center direction of the cable C, but in the vertical direction by the guide grooves 33 and 34, It is free because it is slidably supported. Therefore, even if the diameter of the cable C changes, the axial center can always be kept at a fixed position.
[0015]
【The invention's effect】
As described above, according to the first aspect of the present invention, since the bracket supporting the cable is slidably supported by the long hole with respect to the partition wall through which the cable is inserted, the diameter of the cable changes. However, its axis always coincides with the center of the insertion hole of the partition wall. For this reason, it is useful when it is necessary to keep the axial center of the cable at a fixed position for wiring and connection.
In addition, by attaching the demon plate to the inside of the holding plate, the biting of the holding plate to the cable is improved .
[Brief description of the drawings]
FIG. 1 is an exploded perspective view showing an embodiment of the present invention.
FIG. 2 is an explanatory diagram showing a use state of the embodiment.
FIG. 3 is a perspective view showing another embodiment of the present invention.
FIG. 4 is a perspective view showing another embodiment of the present invention.
[Explanation of symbols]
1, 2 Grip plate 3 Demon plate 4 Bracket 5, 6 Screw hole 7, 8 Bolt 11, 12 Long hole 13, 14 Bolt 15 Bulkhead 16, 17 Screw hole 18 Hole 19, 20 Abutment portion 21, 22 Grip plate 23 24 Contact surface 25 Groove 26 Hole 27 Screw hole 31, 32 Bracket 33, 34 Guide groove 41, 42 Bolt C Cable

Claims (1)

A first holding plate in which a demon plate is affixed to the inner surface, and holes are formed on both sides of the demon plate;
A second holding plate having a demon plate affixed to the inner surface and having holes formed on both sides of the demon plate;
A bracket in which a first gripping plate is arranged and screw holes are provided at two locations overlapping with holes on both sides of the first gripping plate;
Two screw holes in the bracket in a state where the cable is sandwiched between the first and second holding plates and the demon plate of the first and second holding plates is held in contact with the outer peripheral surface of the cable. A pair of bolts screwed into the
A pair of abutting portions formed on the left and right sides of the cable and on the bottom surface of the bracket so as to be in a direction perpendicular to the axis of the cable;
A pair of elongated holes formed in parallel to each other in the pair of contact portions;
A pair of bolts inserted through the pair of long holes,
A cable gripping mechanism fixed to a partition wall in which two screw holes and a cable insertion hole are formed between the two screw holes,
A pair of bolts respectively inserted into the pair of long holes are screwed into the two screw holes of the partition wall, so that the pair of contact portions and the bracket are slid with respect to the partition wall while being restrained in the longitudinal direction of the long hole. Was made to
When the first and second gripping plates for gripping the cable are fixed to the bracket, the pair of contact portions and the bracket move with respect to the partition wall while maintaining the axis of the cable. Cable gripping mechanism .

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